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United States Patent | 5,234,523 |
Battreall | August 10, 1993 |
The present invention discloses a method for laminating a gas permeable layer onto a preformed substrate by forming a laminate precursor comprising a substrate and a gas permeable layer in which a layer of adhesive is positioned between the gas permeable layer and the substrate surface. A layer of water is formed on the surface of the gas permeable layer and the wetted surface is contacted by a preheated platen and super heated steam is ejected onto the gas permeable layer causing the adhesive to cure and bond the gas permeable layer to the substrate.
Inventors: | Battreall; Marc A. (Plainwell, MI) |
Assignee: | United Technologies Automotive, Inc. (Dearborn, MI) |
Appl. No.: | 874276 |
Filed: | April 24, 1992 |
Current U.S. Class: | 156/283; 156/278; 156/281; 156/285; 156/305; 156/308.8; 264/85; 442/263; 442/281 |
Intern'l Class: | B32B 031/00 |
Field of Search: | 156/308.8,281,278,305,283,285 428/246 264/85 |
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